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GM 9½" Ring Gear 14 Bolt Rear Differential Cover
For Hummer H2, TBSS, GMC/Chevy Trucks and SUVs
|Black powder coating
Volume: 0.5 quart over stock
Dimensions: Click here for dimensions.
This PML cover fits the GM 9½" ring gear, 14 bolt rear differential. PML makes three different covers for the many GMC and Chevrolet trucks, vans and SUVs with this differential.
PML designed this cover specifically for vehicles needing clearance for pan hard and sway bars and still want the benefits of an aftermarket heavy duty cover. For example:
Vehicle configurations vary so always check your configuration and clearance before ordering.
Other vehicles can use this cover but may need different threads on the bolts. All the Hummer H2, Trailblazer SS, and SSR vehicles we have seen use M8–1.25x21mm stock bolts. Contact us if you have a vehicle other than listed above.
Nissan Titan 2016 and newer: These trucks have a similar rear stock cover. See PML Products In Development.
We have one of these covers in the polish finish on SPECIAL.
Drain, Inside of Cover, Included With Cover
Drain is on the bottom of the cover, fill hole on the side. There is a boss below the fill hole that can be drilled and tapped for a temperature sending unit. Optional machining avaialble in shopping cart.
Inside and out, cover follows the same general profile curve as the stock cover.
PML includes new mounting bolts, a fill plug and a magnetic drain plug with each cover.
PML Differential Cover Compared to Stock
These images show this PML differential cover compared to the stock cover.
The sway bar and pan hard (track) bar may be in the way during installation. Plan on temporarily dropping or loosening these bars to swap out the stock cover for the PML cover.
Pictures are installations of this PML cover on three different H2 Hummers are below. The ones one the left and right are black powder coated and the one in the middle is polished. All have been customized with lift kits. The image on the right is courtesy of Scott who also installed and sent us a picture of PML's 4L65E transmission pan installed.
2009 Trailblazer SS
This PML differential cover and the PML 4L75E transmission pan were both installed on this 2009 Trailblazer SS.
2007 Cadillac Escalade
Kirt installed this cover on his 2007 Cadillac Escalade 6.2L 2WD. He reported that the rear track bar needed to come off to get the cover on, but there is about 1/4 inch clearance when it is all back together. His Escalade uses the same bolts as the H2 (M8–1.25x21mm). Our thanks to Kirt for letting us know.
2006 Trailblazer SS
2000 Silverado 2500
The image shows this PML 14 bolt 9.5 ring gear straight fin cover installed on a 2000 Silverado 2500 6.0 LS. This cover is in the natural as-cast finish.
Our thanks to Eugene (retired Marine) for sending us pictures of his installation and for his service to our country.
For a larger picture, please click one of the above images. A separate window will open showing a bigger picture. (The larger pictures take a minute to display.)
PML Differential Cover Features:
Learn more about finishes and construction of PML parts.
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